Possessvies 's / s'

I have 10 dogs so...

• I buy my dog's food

• I buy my dogs' food

• I buy my dogs food

Ricky has 1 sister...

• Ricky's sister is gorgeous.

• Sister's Ricky is gorgeous.

• Ricky's sisters are gorgeous

My mother loves sewing...

• my mothers' sewing maching stopped working.

• my mothers sewing maching stopped working.

• my mother's sewing maching stopped working.

My father loves colorful socks...

• his socks' are unique and extravagant.

• his socks are are unique and extravagant.

• his sock is unique and extravagant.

I see 2 men...

• the men's hats are old and back.

• the mens' hats are old and balck.

• The mens hats are old and black

He has a girlfriend but...

• he hurted his girlfriends' feelings

• he hurted his girlfriend's feelings

• he hurted his girlfriend's feeling

I found two mice in the park...

• the mice's tails were long.

• the mouses' tails were long.

• the mices' tails were long.

• All are incorrect

The concert is really crowded...

• I can only see the singer's head.

• I can only see the singer's heads.

• I can only see the singer's head's.

I have thousands of books...

• my book's are incredible.

• my books are incredible.

• my books' are incredible.

I'm a teacher,

• I have markers' of different colors.

• I have markers of different colors.

• I have markers of different's colors.